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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/platform_thread.h"
#include "testing/gtest/include/gtest/gtest.h"
typedef testing::Test PlatformThreadTest;
// Trivial tests that thread runs and doesn't crash on create and join ---------
class TrivialThread : public PlatformThread::Delegate {
public:
TrivialThread() : did_run_(false) {}
virtual void ThreadMain() {
did_run_ = true;
}
bool did_run() const { return did_run_; }
private:
bool did_run_;
DISALLOW_COPY_AND_ASSIGN(TrivialThread);
};
TEST_F(PlatformThreadTest, Trivial) {
TrivialThread thread;
PlatformThreadHandle handle = kNullThreadHandle;
ASSERT_FALSE(thread.did_run());
ASSERT_TRUE(PlatformThread::Create(0, &thread, &handle));
PlatformThread::Join(handle);
ASSERT_TRUE(thread.did_run());
}
TEST_F(PlatformThreadTest, TrivialTimesTen) {
TrivialThread thread[10];
PlatformThreadHandle handle[arraysize(thread)];
for (size_t n = 0; n < arraysize(thread); n++)
ASSERT_FALSE(thread[n].did_run());
for (size_t n = 0; n < arraysize(thread); n++)
ASSERT_TRUE(PlatformThread::Create(0, &thread[n], &handle[n]));
for (size_t n = 0; n < arraysize(thread); n++)
PlatformThread::Join(handle[n]);
for (size_t n = 0; n < arraysize(thread); n++)
ASSERT_TRUE(thread[n].did_run());
}
// Tests of basic thread functions ---------------------------------------------
class FunctionTestThread : public TrivialThread {
public:
FunctionTestThread() : thread_id_(0) {}
virtual void ThreadMain() {
thread_id_ = PlatformThread::CurrentId();
PlatformThread::YieldCurrentThread();
PlatformThread::Sleep(50);
TrivialThread::ThreadMain();
}
PlatformThreadId thread_id() const { return thread_id_; }
private:
PlatformThreadId thread_id_;
DISALLOW_COPY_AND_ASSIGN(FunctionTestThread);
};
TEST_F(PlatformThreadTest, Function) {
PlatformThreadId main_thread_id = PlatformThread::CurrentId();
FunctionTestThread thread;
PlatformThreadHandle handle = kNullThreadHandle;
ASSERT_FALSE(thread.did_run());
ASSERT_TRUE(PlatformThread::Create(0, &thread, &handle));
PlatformThread::Join(handle);
ASSERT_TRUE(thread.did_run());
EXPECT_NE(thread.thread_id(), main_thread_id);
}
TEST_F(PlatformThreadTest, FunctionTimesTen) {
PlatformThreadId main_thread_id = PlatformThread::CurrentId();
FunctionTestThread thread[10];
PlatformThreadHandle handle[arraysize(thread)];
for (size_t n = 0; n < arraysize(thread); n++)
ASSERT_FALSE(thread[n].did_run());
for (size_t n = 0; n < arraysize(thread); n++)
ASSERT_TRUE(PlatformThread::Create(0, &thread[n], &handle[n]));
for (size_t n = 0; n < arraysize(thread); n++)
PlatformThread::Join(handle[n]);
for (size_t n = 0; n < arraysize(thread); n++) {
ASSERT_TRUE(thread[n].did_run());
EXPECT_NE(thread[n].thread_id(), main_thread_id);
}
}
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